CVE-2026-3838HIGH 8.8EPSS p50.3%

CVE-2026-3838CVE-2026-3838

Description

Unraid Update Request Path Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unraid. Authentication is required to exploit this vulnerability. The specific flaw exists within the update.php file. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28951.

Scoring

CVSS 3.08.8 (HIGH)
VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.76% probability of exploitation · percentile 50.3% · 2026-06-19T12:03:05Z
Published2026-03-16
Last modified2026-03-17

Underlying weaknesses· 1

CWE-22

References

  1. https://www.zerodayinitiative.com/advisories/ZDI-26-171/

1

TypeTargetConfidenceTier
WeaknessImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal')cwe-220%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Unraid Remote Code Execution Vulnerability
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Unraid Authentication Bypass Vulnerability
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CVE-2026-22380
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CVE-2026-22557
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Commvault Command Center Path Traversal Vulnerability
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.